Set kernel config:
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_LOOP_MIN_COUNT=0
Do latter:
mknod loop0 b 7 0
exec 4<> loop0
Before commit e418de3abc ("block: switch gendisk lookup to a simple
xarray"), lookup_gendisk will first use base_probe to load module loop,
and then the retry will call loop_probe to prepare the loop disk. Finally
open for this disk will success. However, after this commit, we lose the
retry logic, and open will fail with ENXIO. Block device autoloading is
deprecated and will be removed soon, but maybe we should keep open success
until we really remove it. So, give a retry to fix it.
Fixes: e418de3abc ("block: switch gendisk lookup to a simple xarray")
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yang Erkun <yangerkun@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20241209110435.3670985-1-yangerkun@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The elevator core now allows instances of 'struct elv_fs_entry' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-4-9837d2058c60@weissschuh.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The elevator core now allows instances of 'struct elv_fs_entry' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-3-9837d2058c60@weissschuh.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The elevator core now allows instances of 'struct elv_fs_entry' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-2-9837d2058c60@weissschuh.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Reduce the indentation level of the code in queue_zone_wplugs_show() by
moving the body of the loop in that function into a new function.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241217210310.645966-5-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For the blk_queue_exit() calls, document where the corresponding code can
be found that increases q->q_usage_counter.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241217210310.645966-4-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Document which functions expect that their callers must hold a lock.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241217210310.645966-3-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Only include those header files that are necessary.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241217210310.645966-2-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
BLK_MQ_F_SHOULD_MERGE is set for all tag_sets except those that purely
process passthrough commands (bsg-lib, ufs tmf, various nvme admin
queues) and thus don't even check the flag. Remove it to simplify the
driver interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20241219060214.1928848-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There are no users left of the pci and virtio queue mapping helpers.
Thus remove them.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-8-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Replace all users of blk_mq_virtio_map_queues with the more generic
blk_mq_map_hw_queues. This in preparation to retire
blk_mq_virtio_map_queues.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-7-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Replace all users of blk_mq_pci_map_queues with the more generic
blk_mq_map_hw_queues. This in preparation to retire
blk_mq_pci_map_queues.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-6-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Replace all users of blk_mq_pci_map_queues with the more generic
blk_mq_map_hw_queues. This in preparation to retire
blk_mq_pci_map_queues.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-5-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
blk_mq_pci_map_queues and blk_mq_virtio_map_queues will create a CPU to
hardware queue mapping based on affinity information. These two function
share common code and only differ on how the affinity information is
retrieved. Also, those functions are located in the block subsystem
where it doesn't really fit in. They are virtio and pci subsystem
specific.
Thus introduce provide a generic mapping function which uses the
irq_get_affinity callback from bus_type.
Originally idea from Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-4-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
struct bus_type has a new callback for retrieving the IRQ affinity for a
device. Hook this callback up for virtio based devices.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-3-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
struct bus_type has a new callback for retrieving the IRQ affinity for a
device. Hook this callback up for PCI based devices.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-2-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Introducing a callback in struct bus_type so that a subsystem
can hook up the getters directly. This approach avoids exposing
random getters in any subsystems APIs.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-1-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use page->private to store the index instead of page->index.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20241216160849.31739-1-willy@infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A recent change added return 0 before an existing return statement
at the end of function blk_trace_setup. The final return is now
redundant, so remove it.
Fixes: 64d124798244 ("blktrace: move copy_[to|from]_user() out of ->debugfs_lock")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20241204150450.399005-1-colin.i.king@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since commit 43b62ce3ff ("block: move bio io prio to a new field"), macro
bio_set_prio() does nothing but set bio->bi_ioprio. All other places just
set bio->bi_ioprio directly, so replace bio_set_prio() remaining
callsites with setting bio->bi_ioprio directly and delete that macro.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20241202111957.2311683-3-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since commit 43b62ce3ff ("block: move bio io prio to a new field"), macro
bio_prio() does nothing but return the value in bio->bi_ioprio. Most other
places just read bio->bi_ioprio directly, so replace bi_ioprio() callsites
with reading bio->bi_ioprio directly and delete that macro.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20241202111957.2311683-2-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Call each handler directly and the handler do grab q->debugfs_mutex,
prepare for killing dependency between ->debug_mutex and ->mmap_lock.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241128125029.4152292-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
To facilitate testing of kernel functions related to the rotational
feature (BLK_FEAT_ROTATIONAL) of a block device (e.g. NVMe rotational
bit support), add the rotational boolean configfs attribute and module
parameter to the null_blk driver. If set, a null block device will
report being a rotational device through it queue limits features with
the BLK_FEAT_ROTATIONAL flag.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20241126000956.95983-1-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Now we only verify the outmost freeze & unfreeze in current context in case
that !q->mq_freeze_depth, so it is reliable to save queue lying state when
we want to lock the freeze queue since the state is one per-task variable
now.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241127135133.3952153-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Now blk_freeze_queue_start() can track disk state automatically, and
it isn't necessary to verify queue freeze manually in elevator_init_mq()
any more.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241127135133.3952153-4-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Disable AVIC on SNP-enabled systems that don't allow writes to the virtual
APIC page, as such hosts will hit unexpected RMP #PFs in the host when
running VMs of any flavor.
- Fix a WARN in the hypercall completion path due to KVM trying to determine
if a guest with protected register state is in 64-bit mode (KVM's ABI is to
assume such guests only make hypercalls in 64-bit mode).
- Allow the guest to write to supported bits in MSR_AMD64_DE_CFG to fix a
regression with Windows guests, and because KVM's read-only behavior appears
to be entirely made up.
- Treat TDP MMU faults as spurious if the faulting access is allowed given the
existing SPTE. This fixes a benign WARN (other than the WARN itself) due to
unexpectedly replacing a writable SPTE with a read-only SPTE.
- Emit a warning when KVM is configured with ignore_msrs=1 and also to hide the
MSRs that the guest is looking for from the kernel logs. ignore_msrs can
trick guests into assuming that certain processor features are present, and
this in turn leads to bogus bug reports.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM x86 fixes from Paolo Bonzini:
- Disable AVIC on SNP-enabled systems that don't allow writes to the
virtual APIC page, as such hosts will hit unexpected RMP #PFs in the
host when running VMs of any flavor.
- Fix a WARN in the hypercall completion path due to KVM trying to
determine if a guest with protected register state is in 64-bit mode
(KVM's ABI is to assume such guests only make hypercalls in 64-bit
mode).
- Allow the guest to write to supported bits in MSR_AMD64_DE_CFG to fix
a regression with Windows guests, and because KVM's read-only
behavior appears to be entirely made up.
- Treat TDP MMU faults as spurious if the faulting access is allowed
given the existing SPTE. This fixes a benign WARN (other than the
WARN itself) due to unexpectedly replacing a writable SPTE with a
read-only SPTE.
- Emit a warning when KVM is configured with ignore_msrs=1 and also to
hide the MSRs that the guest is looking for from the kernel logs.
ignore_msrs can trick guests into assuming that certain processor
features are present, and this in turn leads to bogus bug reports.
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: let it be known that ignore_msrs is a bad idea
KVM: VMX: don't include '<linux/find.h>' directly
KVM: x86/mmu: Treat TDP MMU faults as spurious if access is already allowed
KVM: SVM: Allow guest writes to set MSR_AMD64_DE_CFG bits
KVM: x86: Play nice with protected guests in complete_hypercall_exit()
KVM: SVM: Disable AVIC on SNP-enabled system without HvInUseWrAllowed feature
- Disable AVIC on SNP-enabled systems that don't allow writes to the virtual
APIC page, as such hosts will hit unexpected RMP #PFs in the host when
running VMs of any flavor.
- Fix a WARN in the hypercall completion path due to KVM trying to determine
if a guest with protected register state is in 64-bit mode (KVM's ABI is to
assume such guests only make hypercalls in 64-bit mode).
- Allow the guest to write to supported bits in MSR_AMD64_DE_CFG to fix a
regression with Windows guests, and because KVM's read-only behavior appears
to be entirely made up.
- Treat TDP MMU faults as spurious if the faulting access is allowed given the
existing SPTE. This fixes a benign WARN (other than the WARN itself) due to
unexpectedly replacing a writable SPTE with a read-only SPTE.
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Merge tag 'kvm-x86-fixes-6.13-rcN' of https://github.com/kvm-x86/linux into HEAD
KVM x86 fixes for 6.13:
- Disable AVIC on SNP-enabled systems that don't allow writes to the virtual
APIC page, as such hosts will hit unexpected RMP #PFs in the host when
running VMs of any flavor.
- Fix a WARN in the hypercall completion path due to KVM trying to determine
if a guest with protected register state is in 64-bit mode (KVM's ABI is to
assume such guests only make hypercalls in 64-bit mode).
- Allow the guest to write to supported bits in MSR_AMD64_DE_CFG to fix a
regression with Windows guests, and because KVM's read-only behavior appears
to be entirely made up.
- Treat TDP MMU faults as spurious if the faulting access is allowed given the
existing SPTE. This fixes a benign WARN (other than the WARN itself) due to
unexpectedly replacing a writable SPTE with a read-only SPTE.
When running KVM with ignore_msrs=1 and report_ignored_msrs=0, the user has
no clue that that the guest is being lied to. This may cause bug reports
such as https://gitlab.com/qemu-project/qemu/-/issues/2571, where enabling
a CPUID bit in QEMU caused Linux guests to try reading MSR_CU_DEF_ERR; and
being lied about the existence of MSR_CU_DEF_ERR caused the guest to assume
other things about the local APIC which were not true:
Sep 14 12:02:53 kernel: mce: [Firmware Bug]: Your BIOS is not setting up LVT offset 0x2 for deferred error IRQs correctly.
Sep 14 12:02:53 kernel: unchecked MSR access error: RDMSR from 0x852 at rIP: 0xffffffffb548ffa7 (native_read_msr+0x7/0x40)
Sep 14 12:02:53 kernel: Call Trace:
...
Sep 14 12:02:53 kernel: native_apic_msr_read+0x20/0x30
Sep 14 12:02:53 kernel: setup_APIC_eilvt+0x47/0x110
Sep 14 12:02:53 kernel: mce_amd_feature_init+0x485/0x4e0
...
Sep 14 12:02:53 kernel: [Firmware Bug]: cpu 0, try to use APIC520 (LVT offset 2) for vector 0xf4, but the register is already in use for vector 0x0 on this cpu
Without reported_ignored_msrs=0 at least the host kernel log will contain
enough information to avoid going on a wild goose chase. But if reports
about individual MSR accesses are being silenced too, at least complain
loudly the first time a VM is started.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The header clearly states that it does not want to be included directly,
only via '<linux/bitmap.h>'. Replace the include accordingly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Message-ID: <20241217070539.2433-2-wsa+renesas@sang-engineering.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Two more small fixes, correcting the cacheline size on Raspberry Pi 5
and fixing a logic mistake in the microchip mpfs firmware driver.
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Merge tag 'soc-fixes-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two more small fixes, correcting the cacheline size on Raspberry Pi 5
and fixing a logic mistake in the microchip mpfs firmware driver"
* tag 'soc-fixes-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: broadcom: Fix L2 linesize for Raspberry Pi 5
firmware: microchip: fix UL_IAP lock check in mpfs_auto_update_state()
The usual bunch of singletons and doubletons - please see the relevant
changelogs for details.
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Merge tag 'mm-hotfixes-stable-2024-12-21-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"25 hotfixes. 16 are cc:stable. 19 are MM and 6 are non-MM.
The usual bunch of singletons and doubletons - please see the relevant
changelogs for details"
* tag 'mm-hotfixes-stable-2024-12-21-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (25 commits)
mm: huge_memory: handle strsep not finding delimiter
alloc_tag: fix set_codetag_empty() when !CONFIG_MEM_ALLOC_PROFILING_DEBUG
alloc_tag: fix module allocation tags populated area calculation
mm/codetag: clear tags before swap
mm/vmstat: fix a W=1 clang compiler warning
mm: convert partially_mapped set/clear operations to be atomic
nilfs2: fix buffer head leaks in calls to truncate_inode_pages()
vmalloc: fix accounting with i915
mm/page_alloc: don't call pfn_to_page() on possibly non-existent PFN in split_large_buddy()
fork: avoid inappropriate uprobe access to invalid mm
nilfs2: prevent use of deleted inode
zram: fix uninitialized ZRAM not releasing backing device
zram: refuse to use zero sized block device as backing device
mm: use clear_user_(high)page() for arch with special user folio handling
mm: introduce cpu_icache_is_aliasing() across all architectures
mm: add RCU annotation to pte_offset_map(_lock)
mm: correctly reference merged VMA
mm: use aligned address in copy_user_gigantic_page()
mm: use aligned address in clear_gigantic_page()
mm: shmem: fix ShmemHugePages at swapout
...
My tests run an allyesconfig build and it failed with the following errors:
LD [M] samples/kfifo/dma-example.ko
ld.lld: error: undefined symbol: nec7210_board_reset
ld.lld: error: undefined symbol: nec7210_read
ld.lld: error: undefined symbol: nec7210_write
It appears that some modules call the function nec7210_board_reset()
that is defined in nec7210.c. In an allyesconfig build, these other
modules are built in. But the file that holds nec7210_board_reset()
has:
obj-m += nec7210.o
Where that "-m" means it only gets built as a module. With the other
modules built in, they have no access to nec7210_board_reset() and the build
fails.
This isn't the only function. After fixing that one, I hit another:
ld.lld: error: undefined symbol: push_gpib_event
ld.lld: error: undefined symbol: gpib_match_device_path
Where push_gpib_event() was also used outside of the file it was defined
in, and that file too only was built as a module.
Since the directory that nec7210.c is only traversed when
CONFIG_GPIB_NEC7210 is set, and the directory with gpib_common.c is only
traversed when CONFIG_GPIB_COMMON is set, use those configs as the
option to build those modules. When it is an allyesconfig, then they
will both be built in and their functions will be available to the other
modules that are also built in.
Fixes: 3ba84ac69b ("staging: gpib: Add nec7210 GPIB chip driver")
Fixes: 9dde4559e9 ("staging: gpib: Add GPIB common core driver")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Remove stale code in usr/include/headers_check.pl
- Fix issues in the user-mode-linux Debian package
- Fix false-positive "export twice" errors in modpost
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Merge tag 'kbuild-fixes-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Remove stale code in usr/include/headers_check.pl
- Fix issues in the user-mode-linux Debian package
- Fix false-positive "export twice" errors in modpost
* tag 'kbuild-fixes-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: distinguish same module paths from different dump files
kbuild: deb-pkg: Do not install maint scripts for arch 'um'
kbuild: deb-pkg: add debarch for ARCH=um
kbuild: Drop support for include/asm-<arch> in headers_check.pl
- Fix inlining of bpf_get_smp_processor_id helper for !CONFIG_SMP
systems (Andrea Righi)
- Fix BPF USDT selftests helper code to use asm constraint "m"
for LoongArch (Tiezhu Yang)
- Fix BPF selftest compilation error in get_uprobe_offset when
PROCMAP_QUERY is not defined (Jerome Marchand)
- Fix BPF bpf_skb_change_tail helper when used in context of
BPF sockmap to handle negative skb header offsets (Cong Wang)
- Several fixes to BPF sockmap code, among others, in the area
of socket buffer accounting (Levi Zim, Zijian Zhang, Cong Wang)
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull BPF fixes from Daniel Borkmann:
- Fix inlining of bpf_get_smp_processor_id helper for !CONFIG_SMP
systems (Andrea Righi)
- Fix BPF USDT selftests helper code to use asm constraint "m" for
LoongArch (Tiezhu Yang)
- Fix BPF selftest compilation error in get_uprobe_offset when
PROCMAP_QUERY is not defined (Jerome Marchand)
- Fix BPF bpf_skb_change_tail helper when used in context of BPF
sockmap to handle negative skb header offsets (Cong Wang)
- Several fixes to BPF sockmap code, among others, in the area of
socket buffer accounting (Levi Zim, Zijian Zhang, Cong Wang)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Test bpf_skb_change_tail() in TC ingress
selftests/bpf: Introduce socket_helpers.h for TC tests
selftests/bpf: Add a BPF selftest for bpf_skb_change_tail()
bpf: Check negative offsets in __bpf_skb_min_len()
tcp_bpf: Fix copied value in tcp_bpf_sendmsg
skmsg: Return copied bytes in sk_msg_memcopy_from_iter
tcp_bpf: Add sk_rmem_alloc related logic for tcp_bpf ingress redirection
tcp_bpf: Charge receive socket buffer in bpf_tcp_ingress()
selftests/bpf: Fix compilation error in get_uprobe_offset()
selftests/bpf: Use asm constraint "m" for LoongArch
bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP
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Merge tag 'pci-v6.13-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Krzysztof Wilczyński:
"Two small patches that are important for fixing boot time hang on
Intel JHL7540 'Titan Ridge' platforms equipped with a Thunderbolt
controller.
The boot time issue manifests itself when a PCI Express bandwidth
control is unnecessarily enabled on the Thunderbolt controller
downstream ports, which only supports a link speed of 2.5 GT/s in
accordance with USB4 v2 specification (p. 671, sec. 11.2.1, "PCIe
Physical Layer Logical Sub-block").
As such, there is no need to enable bandwidth control on such
downstream port links, which also works around the issue.
Both patches were tested by the original reporter on the hardware on
which the failure origin golly manifested itself. Both fixes were
proven to resolve the reported boot hang issue, and both patches have
been in linux-next this week with no reported problems"
* tag 'pci-v6.13-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI/bwctrl: Enable only if more than one speed is supported
PCI: Honor Max Link Speed when determining supported speeds
- Detect preferred core support in amd-pstate before driver
registration to avoid initialization ordering issues (K Prateek
Nayak).
- Fix issues with with boost numerator handling in amd-pstate leading
to inconsistently programmed CPPC max performance values (Mario
Limonciello).
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Merge tag 'pm-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix some amd-pstate driver issues:
- Detect preferred core support in amd-pstate before driver
registration to avoid initialization ordering issues (K Prateek
Nayak)
- Fix issues with with boost numerator handling in amd-pstate leading
to inconsistently programmed CPPC max performance values (Mario
Limonciello)"
* tag 'pm-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq/amd-pstate: Use boost numerator for upper bound of frequencies
cpufreq/amd-pstate: Store the boost numerator as highest perf again
cpufreq/amd-pstate: Detect preferred core support before driver registration
Fix two issues with the user thermal thresholds feature introduced
in this development cycle (Daniel Lezcano).
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Merge tag 'thermal-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Fix two issues with the user thermal thresholds feature introduced in
this development cycle (Daniel Lezcano)"
* tag 'thermal-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/thresholds: Fix boundaries and detection routine
thermal/thresholds: Fix uapi header macros leading to a compilation error
Unbreak ACPI EC support on LoongArch that has been broken earlier
in this development cycle (Huacai Chen).
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Merge tag 'acpi-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Unbreak ACPI EC support on LoongArch that has been broken earlier in
this development cycle (Huacai Chen)"
* tag 'acpi-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: Enable EC support on LoongArch by default
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Merge tag '6.13-rc3-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix regression in display of write stats
- fix rmmod failure with network namespaces
- two minor cleanups
* tag '6.13-rc3-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: fix bytes written value in /proc/fs/cifs/Stats
smb: client: fix TCP timers deadlock after rmmod
smb: client: Deduplicate "select NETFS_SUPPORT" in Kconfig
smb: use macros instead of constants for leasekey size and default cifsattrs value
Bugfixes:
- NFS/pnfs: Fix a live lock between recalled layouts and layoutget
- Fix a build warning about an undeclared symbol 'nfs_idmap_cache_timeout'
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Merge tag 'nfs-for-6.13-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
- NFS/pnfs: Fix a live lock between recalled layouts and layoutget
- Fix a build warning about an undeclared symbol 'nfs_idmap_cache_timeout'
* tag 'nfs-for-6.13-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
fs/nfs: fix missing declaration of nfs_idmap_cache_timeout
NFS/pnfs: Fix a live lock between recalled layouts and layoutget
corruption due to a buffer overrun, potential infinite loop and several
memory leaks on the error paths. All but one marked for stable.
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Merge tag 'ceph-for-6.13-rc4' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A handful of important CephFS fixes from Max, Alex and myself: memory
corruption due to a buffer overrun, potential infinite loop and
several memory leaks on the error paths. All but one marked for
stable"
* tag 'ceph-for-6.13-rc4' of https://github.com/ceph/ceph-client:
ceph: allocate sparse_ext map only for sparse reads
ceph: fix memory leak in ceph_direct_read_write()
ceph: improve error handling and short/overflow-read logic in __ceph_sync_read()
ceph: validate snapdirname option length when mounting
ceph: give up on paths longer than PATH_MAX
ceph: fix memory leaks in __ceph_sync_read()
